Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/Nd1jnqKk"]
[Date "2026.09.01"]
[White "David3"]
[Black "Ryker"]
[Result "1-0"]
[UTCDate "2026.09.01"]
[UTCTime "20:24:58"]
[WhiteElo "1439"]
[BlackElo "1171"]
[WhiteRatingDiff "+5"]
[BlackRatingDiff "-5"]
[WhiteTitle "IM🔱"]
[BlackTitle "NM֍"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C54"]
[Opening "Italian Game: Giuoco Piano, Greco's Attack"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3?! { (0.21 → -0.31) Inaccuracy. Bd2 was best. } { C54 Italian Game: Giuoco Piano, Greco's Attack } (7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. Qb3 Na5 11. Qa4+ Nc6 12. Qa3 Qe7+ 13. Qxe7+ Ncxe7) 7... Bxc3+? { (-0.31 → 0.95) Mistake. Nxe4 was best. } (7... Nxe4 8. O-O) 8. bxc3 Nxe4 9. Qe2?? { (0.86 → -1.12) Blunder. d5 was best. } (9. d5 Ne7 10. O-O O-O 11. Re1 Nf6 12. Bg5 d6 13. Bxf6 gxf6 14. Bd3 Ng6 15. Qc2 Bg4) 9... f5?? { (-1.12 → 1.28) Blunder. d5 was best. } (9... d5 10. Bd3) 10. O-O?! { (1.28 → 0.35) Inaccuracy. d5 was best. } (10. d5 Qf6) 10... b5?? { (0.35 → 6.37) Blunder. d5 was best. } (10... d5 11. Bb5 O-O 12. Bxc6 bxc6 13. Ne5 a5 14. Re1 Ba6 15. Qc2 Qh4 16. Ba3 Rfe8 17. Nxc6) 11. Bg5?! { (6.37 → 4.06) Inaccuracy. Bd5 was best. } (11. Bd5 Rb8) 11... Ne7 12. Bxb5?! { (3.57 → 2.31) Inaccuracy. Bb3 was best. } (12. Bb3 d5) 12... c6 13. Bc4 d5 14. Bb3 a5?! { (2.23 → 3.20) Inaccuracy. O-O was best. } (14... O-O 15. c4) 15. Ne5 Ba6? { (3.50 → 6.39) Mistake. Qd6 was best. } (15... Qd6 16. Bxe7) 16. Qh5+ g6 17. Nxg6 Nxg6 18. Qxg6+?? { (7.30 → -7.49) Blunder. Bxd8 was best. } (18. Bxd8 Bxf1) 18... hxg6 19. Bxd8 Rxd8 20. Rfe1 O-O 21. Ba4 Nxc3 22. Bxc6 Rd6 23. Be8 Bc4 24. a3 Bb5 25. Bxb5 Nxb5 26. a4 Nxd4 27. Rad1 Nc2 28. Re2 Nb4 29. Rde1 Nd3 30. Rd1 Nf4 31. Re3 d4 32. Ra3 Ne2+ 33. Kf1 Nc3?? { (-7.60 → -0.42) Blunder. Nf4 was best. } (33... Nf4 34. Rf3) 34. Rd3?? { (-0.42 → -7.99) Blunder. Rxc3 was best. } (34. Rxc3 dxc3 35. Rxd6 Rc8 36. Rd1 Rc4 37. Rc1 Kf7 38. Ke2 Ke6 39. Kd3 Rxa4 40. Rxc3 Kd5) 34... Nb1?? { (-7.99 → -0.38) Blunder. Ne4 was best. } (34... Ne4 35. Rab3 Rc8 36. Rd1 Rc2 37. g4 Nxf2 38. Re1 Ne4 39. Rxe4 fxe4 40. Rb8+ Kf7) 35. Rab3 Re6?! { (-0.30 → 0.37) Inaccuracy. Nc3 was best. } (35... Nc3 36. Rbxc3) 36. f3?? { (0.37 → -4.77) Blunder. Rxb1 was best. } (36. Rxb1 Rd6) 36... Rfe8?? { (-4.77 → 0.14) Blunder. Re3 was best. } (36... Re3 37. Rxe3 Nd2+ 38. Kf2 dxe3+ 39. Rxe3 Rb8 40. Re5 Nc4 41. Rc5 Rb4 42. h4 Rxa4 43. g4) 37. Kf2?? { (0.14 → -6.62) Blunder. Rxb1 was best. } (37. Rxb1 Rd6 38. Rb5 Re3 39. Rd2 Kg7 40. Kf2 Kf6 41. Rxa5 Ra3 42. f4 Rc6 43. Ra7 Rc4) 37... Re2+ 38. Kg3 Nd2 39. Ra3 Rf8 40. Rxd4 Nb1? { (-6.28 → -3.61) Mistake. Nf1+ was best. } (40... Nf1+ 41. Kf4) 41. Rb3 Nd2 42. Rbd3 Nb1?? { (-5.59 → -1.93) Blunder. Nf1+ was best. } (42... Nf1+ 43. Kh3 Kg7 44. Rd7+ Kf6 45. Rh7 Re7 46. Rd6+ Ke5 47. Rxe7+ Kxd6 48. Rh7 Ke6 49. Kh4) 43. Rd7?! { (-1.93 → -3.19) Inaccuracy. h4 was best. } (43. h4 Rc2 44. Rd6 Kg7 45. h5 gxh5 46. Ra6 Nd2 47. Rdd6 Nf1+ 48. Kh3 Rf7 49. Rg6+ Kh7) 43... f4+? { (-3.19 → -1.83) Mistake. Rf7 was best. } (43... Rf7 44. h4 Rxd7 45. Rxd7 Ra2 46. Kf4 Rxg2 47. Ra7 Nc3 48. Rxa5 Ne2+ 49. Ke5 Ng1 50. Ra7) 44. Kh3 Nd2?? { (-1.96 → 4.88) Blunder. Rf7 was best. } (44... Rf7 45. Rxf7) 45. Rc7?? { (4.88 → -2.73) Blunder. Rxd2 was best. } (45. Rxd2) 45... Rb8?? { (-2.73 → 0.00) Blunder. Rf7 was best. } (45... Rf7) 46. Rdd7 Rb4?? { (0.00 → Mate in 2) Checkmate is now unavoidable. Rbe8 was best. } (46... Rbe8 47. Rg7+ Kh8 48. Rh7+ Kg8 49. Rcg7+ Kf8 50. Rf7+ Kg8 51. Rhg7+ Kh8 52. Rc7 R2e5 53. Rh7+) 47. Rg7+?? { (Mate in 2 → 0.28) Lost forced checkmate sequence. Rc8+ was best. } (47. Rc8+ Re8 48. Rxe8#) 47... Kf8 48. Rcf7+ Ke8 49. Rh7 Rxa4?? { (0.02 → Mate in 5) Checkmate is now unavoidable. Re5 was best. } (49... Re5 50. Ra7 Rh5+ 51. Rxh5 gxh5 52. Rxa5 Kf7 53. Rd5 Nf1 54. a5 Ra4 55. Rxh5 Ne3 56. g3) 50. Rfg7?? { (Mate in 5 → 2.47) Lost forced checkmate sequence. Ra7 was best. } (50. Ra7 Re7 51. Rhxe7+ Kf8 52. Rec7 Re4 53. fxe4 Nxe4 54. Ra8#) 50... Nc4?? { (2.47 → Mate in 1) Checkmate is now unavoidable. Kf8 was best. } (50... Kf8 51. Ra7 Kg8 52. Rhd7 Kf8 53. Rd8+ Re8 54. Rxd2 Re7 55. Ra6 Rf7 56. Kg4 Rb4 57. h4) 51. Rg8# { White wins by checkmate. } 1-0